12010221019 has 2 divisors, whose sum is σ = 12010221020. Its totient is φ = 12010221018.

The previous prime is 12010220879. The next prime is 12010221031. The reversal of 12010221019 is 91012201021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12010221019 - 2¹¹ = 12010218971 is a prime.

It is a super-2 number, since 2×12010221019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010220987 and 12010221005.

It is not a weakly prime, because it can be changed into another prime (12010221049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005110509 + 6005110510.

It is an arithmetic number, because the mean of its divisors is an integer number (6005110510).

Almost surely, 2^12010221019 is an apocalyptic number.

12010221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010221019 is an equidigital number, since it uses as much as digits as its factorization.

12010221019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 12010221019 in words is "twelve billion, ten million, two hundred twenty-one thousand, nineteen".